When we have multiple servers and we need to use the same SSL certificate, such as in a load-balancer environment or using a wildcard SSL certificates, you will need to transfer the certificates between the servers. Normally, server to server [...]
How to Install PostgreSQL 10 on Linux and BSD
In our earlier article, we have covered about phpPgAdmin configuration on Centos7. In this article, I am going to show how to install the latest PostgreSQL 10 database on Linux and BSD distributions. PostgreSQL is an object-related database management system.The latest [...]
How to Install Mautic with EasyEngine on Ubuntu 16.04
In this article, you will learn to install Mautic, an opensource marketing automation tool. Part of the setup process will use Easy Engine to automate the deployment a LAMP stack. You can use Mautic to create leads, manage online marketing [...]
How to Add MySQL Monitoring on Zabbix 3.2
In this article, I will show how to add MySQL database monitoring on Zabbix. I have two Ubuntu Server 16.04 virtual machines. The first one has installed Zabbix Server 3.2 and the second VM has MySQL 5.7 database that should be [...]
How to Deploy CKAN Environment with Document and GIS Data Plugins
This guide will walk you through the deploy and setup of a CKAN repository using a Ubuntu 16.04 VPS. CKAN is an open source dataset repository used to collect and distribute large data collections from all kinds of sources including [...]
watcherd - Shell Listener for Directory Changes on Linux
In this article, I am going to tell you about shell directory listener called watcherd. Daemon watcherd will check the directory changes and execute specified commands or shell scripts. Installing watcherd On Ubuntu 16.04 Download $ wget https://github.com/devilbox/watcherd/archive/master.zip Unzip archive $ [...]
httpie - A Curl Alternative HTTP Command Line Client on Linux
In this article, I will show you httpie which is a modern command line HTTP client an alternative tool for curl. httpie is a GitHub project of Jakub Roztocil which has benefited some contributions on Github. The httpie tool is seen as a modern command line http [...]
How to Use "ipset" to Block IPs from Country
Previously we learned how we can restrict or allow a particular country using GeoIP but in this article, we'll cover how we can block large IP ranges using ipset module with iptables. IPset is a command line based utility which [...]
How to Setup Log Rotation on MongoDB 3.4
In this article, I'm going to tell about MongoDB log rotation. Logs are text files which can include informational, warning or error records while our program runs. We need to perform log rotation as these files can become too large [...]
How to Install XMR STAK CPU for Monero Mining on Ubuntu 16.04
In one of our previous articles, we have shown you how to mine Ethereum – one of the most popular cryptocurrencies as of today. Today, we will learn about Monero mining. It's a high priced cryptocurrency, focused on privacy, decentralization, [...]
NGINX Unit - An Open Source Web Application Server
Nginx announced the release of the first beta of Unit - Nginx Unit, a dynamic web application server, designed to run applications in multiple languages. It is an application server that supports Python, PHP and Go, with support coming for Java, Node.js [...]
How to Setup Greylisting Service on Postfix Mail Server
Spam became a noticeable treat for the mail servers many years ago. No servers today could be running without being hardened against the spam: according to some reports up to 75% of all the email traffic is spam. It’s noticeable [...]
How to Block IPs from Countries using Iptables Geoip Addons
We'll learn how we can block traffic originated from specific country IPs using GeoIP database and linux iptables. Iptables is a command based utility program for configuring the linux kernel firewall which is implemented within the Netfilter project. Whereas GeoIP [...]
SoCLI - A Tool to Search Stack Overflow from Linux Terminal
In this article, I am going to show you how to install Stack Overflow command line interface (SoCLI) on Linux. Stack Overflow is a question and answer website on the topic of computer programming. We can use command line interface [...]